CVE-2026-50003

OFFIS DCMTK Toolkit Path Traversal

State: Published
Severity: 9.3 Critical
Published: Jun 30, 2026
Updated: Jul 1, 2026
Reserved: Jun 22, 2026

Description

A malicious or compromised server can make a DCMTK client using bit-preserving C-GET storage mode write files outside the chosen output directory, using both relative (../) paths and absolute paths.

Scores

CVSS	Score	Vector	Source
4.0	9.3 Critical	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	icscert
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	icscert

Weaknesses

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Affected Products

Product	Versions
DCMTK ToolkitOFFIS DICOM	3.7.0 and earlierAffected

References

https://github.com/DCMTK/dcmtk/releases/tag/latest
https://www.cisa.gov/news-events/ics-medical-advisories/icsma-26-181-01
https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2026/icsma-26-181-01.json

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